Oracle 1z1-819 Exam : Java SE 11 Developer

  • Exam Code: 1z1-819
  • Exam Name: Java SE 11 Developer
  • Updated: Sep 30, 2026
  • Q & A: 297 Questions and Answers

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How to Prepare For Java SE 11 Developer Exam Number: 1Z0-819

Preparation Guide for Java SE 11 Developer Exam Number: 1Z0-819

Introduction for Java SE 11 Developer Exam Number: 1Z0-819

1Z0-006 exam is for those that have completed the Database Foundations, Database Design and Programming with SQL (Oracle Academy training), Oracle Database 12c Administration Workshop or Oracle Database Introduction to SQL training. Passing this exam gives the certification credential demonstrating your understanding of the different types of database models and components. And, you will enhance knowledge of database components, concepts and design, implementation of business roles, SQL language and queries, and ERD modeling and languages to manage data and transactions.

The Java SE 11 Developer Exam Number: 1Z0-819 is recommended for the following candidates who have:

  • Be a professional programmer with Java experience
  • Have a desire to get Java certified and earn more money
  • Preferably have completed all or part of my Java Masterclass here on Udemy (or another Java course)
  • Exposure to the Java programming language
  • Desirable to have completed some or all of my Java Masterclass

Becoming Java certified is a great way to help improve your career options with more job opportunities and more pay. That's because Oracle's Java certification program, unlike many other certifications out there, has real value in the industry. One of the main reasons is that it's an official Oracle certification, but second, the exam is quite difficult to pass. Employers see programmers who are Java certified as more valuable than programmers who are not certified. So it's totally worth getting Java certified to take advantage of this.

ORACLE 1Z0-006 practice exams and ORACLE 1Z0-006 practice exams are designed specifically for candidates to gain an uperhand on experience and knowledge to get through this exam.

Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913

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Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819

The following will be discussed in the ORACLE 1Z0-006 exam dumps:

  • Read and write console and file data using I/O Streams
  • Connect to and perform database SQL operations, process query results using JDBC API Annotations
  • Create, apply, and process annotations
  • Handle file system objects using java.nio.file API
  • Utilize polymorphism and casting to call methods, differentiate object type versus reference type
  • Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
  • Initialize objects and their members using instance and static initialiser statements and constructors
  • Create and use enumerations
  • Create and use subclasses and superclasses, including abstract classes
  • Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
  • Declare, use, and expose modules, including the use of services
  • Deploy and execute modular applications, including automatic modules
  • Define and use fields and methods, including instance, static and overloaded methods
  • Understand variable scopes, apply encapsulation and make objects immutable
  • Implement serialization and deserialization techniques on Java objects

Oracle 1z1-819 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Exception Handling and Assertions8-12%- Create custom exceptions and use standard exceptions
- Use try-catch-finally, try-with-resources, throw and throws
- Use assertions appropriately
Topic 2: Java Object-Oriented Approach15-20%- Apply encapsulation, inheritance, polymorphism and abstraction
- Use local variable type inference
- Overload and override methods, use constructors and initializers
- Declare and instantiate classes, interfaces, abstract classes and nested classes
Topic 3: Working with Java Data Types10-15%- Manipulate numeric values and formatting
- Use primitives and wrapper classes, including operators, parentheses, type promotion and casting
- Handle text using String, StringBuilder and StringBuffer classes
Topic 4: Secure Coding and Localization5-8%- Apply secure coding practices, input validation and data protection
- Use Locale, ResourceBundle and formatting APIs for internationalization
Topic 5: JDBC Database Access5-8%- Connect to databases, execute queries and updates
- Process result sets, manage transactions and resources
Topic 6: Arrays and Collections12-18%- Use generics, wildcards and diamond notation
- Create and manipulate arrays, lists, sets, maps, queues and deques
- Sort and search collections and arrays
Topic 7: Java Platform Module System8-12%- Use automatic modules and unnamed modules
- Compile, package and run modular applications
- Define modules, module declarations, requires, exports, opens, uses and provides
Topic 8: Concurrency8-12%- Use parallel streams and CompletableFuture
- Create and manage threads, use ExecutorService, Callable and Future
- Use synchronization, locks, atomic variables and concurrent collections
Topic 9: Lambda Expressions and Streams12-18%- Create and use stream pipelines, including intermediate and terminal operations
- Define and use functional interfaces and lambda expressions
- Use Optional class and primitive type streams
Topic 10: Java I/O and NIO.28-12%- Read and write data using streams, readers, writers and channels
- Implement serialization and deserialization
- Manage files, directories and file attributes with java.nio.file API

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